//************************************************************************
//	Purchase.java 		Author: Lewis/Loftus
//
//	Demonstrates the use of the NumberFormat class to format output.
//************************************************************************

import java.util.Scanner;
import java.text.NumberFormat;

public class Purchase

{
  //----------------------------------------------------------------
  //  Calculates the final price of a purchased item using values
  //  entered by the user.
  //----------------------------------------------------------------
  public static void main(String[] args)
  {
    final double TAX_RATE = 0.06;  // 6% sales tax

    int quantity;
    double subtotal, tax, totalCost, unitPrice;

    Scanner scan = new Scanner(System.in);

    NumberFormat fmt1 = NumberFormat.getCurrencyInstance();
    NumberFormat fmt2 = NumberFormat.getPercentInstance();

    System.out.print("Enter the quantity: ");
    quantity = scan.nextInt();

    System.out.print("Enter the unit price: ");
    unitPrice = scan.nextDouble();

    subtotal = quantity * unitPrice;
    tax = subtotal * TAX_RATE;
    totalCost = subtotal + tax;

    // Print output with appropriate formatting
    System.out.println("Subtotal: " + fmt1.format(subtotal));
    System.out.println("Tax: " + fmt1.format(tax) + " at "+ fmt2.format(TAX_RATE));
    System.out.println("Total: " + fmt1.format(totalCost));
  }
}

